| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 14.8° | 1.8° | 104.8mm | 8 | 67 |
| February | 16.5° | 3.8° | 106mm | 9.9 | 69 |
| March | 21.7° | 8.2° | 129.1mm | 8.9 | 82 |
| April | 25.6° | 11.8° | 111.6mm | 7.5 | 85 |
| May | 29.5° | 16.9° | 132.8mm | 7.3 | 75 |
| June | 33.7° | 21.6° | 110.6mm | 8.2 | 57 |
| July | 35.2° | 23° | 86.2mm | 7.2 | 53 |
| August | 35.7° | 23° | 80.4mm | 6.8 | 52 |
| September | 32.5° | 19.3° | 84.8mm | 5 | 68 |
| October | 27.2° | 13.1° | 102.8mm | 6.6 | 86 |
| November | 20.8° | 7.4° | 77.6mm | 6 | 88 |
| December | 15.9° | 3.4° | 95.6mm | 8.9 | 69 |
January in Longview averages a daily high of 14.8°C with nights around 1.8°C. Expect roughly 8 wet days totalling 104.8mm. Generally workable, with some weather to plan around.
February in Longview averages a daily high of 16.5°C with nights around 3.8°C. Expect roughly 9.9 wet days totalling 106mm. Generally workable, with some weather to plan around.
March in Longview averages a daily high of 21.7°C with nights around 8.2°C. Expect roughly 8.9 wet days totalling 129.1mm. Comfortable conditions for being outdoors all day.
April in Longview averages a daily high of 25.6°C with nights around 11.8°C. Expect roughly 7.5 wet days totalling 111.6mm. Comfortable conditions for being outdoors all day.
May in Longview averages a daily high of 29.5°C with nights around 16.9°C. Expect roughly 7.3 wet days totalling 132.8mm. Comfortable conditions for being outdoors all day.
June in Longview averages a daily high of 33.7°C with nights around 21.6°C. Expect roughly 8.2 wet days totalling 110.6mm. Generally workable, with some weather to plan around.
July in Longview averages a daily high of 35.2°C with nights around 23°C. Expect roughly 7.2 wet days totalling 86.2mm. Demanding conditions — pack for it and plan indoor options.
August in Longview averages a daily high of 35.7°C with nights around 23°C. Expect roughly 6.8 wet days totalling 80.4mm. Demanding conditions — pack for it and plan indoor options.
September in Longview averages a daily high of 32.5°C with nights around 19.3°C. Expect roughly 5 wet days totalling 84.8mm. Generally workable, with some weather to plan around.
October in Longview averages a daily high of 27.2°C with nights around 13.1°C. Expect roughly 6.6 wet days totalling 102.8mm. Comfortable conditions for being outdoors all day.
November in Longview averages a daily high of 20.8°C with nights around 7.4°C. Expect roughly 6 wet days totalling 77.6mm. Comfortable conditions for being outdoors all day.
December in Longview averages a daily high of 15.9°C with nights around 3.4°C. Expect roughly 8.9 wet days totalling 95.6mm. Generally workable, with some weather to plan around.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Longview peaks at 88.
Based on 30 years of records, March–April scores highest for comfort in Longview, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 35.7°C.
May is the wettest, averaging 132.8mm of rain across roughly 7.3 wet days.
January is the coolest month, with average daily highs around 14.8°C.